TEEN Mom fans have been left concerned over what they consider Chelsea Houska's "dramatic weight loss."

The mom-of-three lost weight using Profile, a food supplement, for her wedding to Cole DeBoer, after gaining 50 pounds during her pregnancy to oldest son, Watson.

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Chelsea's recent Instagram snaps have left fans concerned

During her pregnancy with Layne, she maintained her weight as much as possible to help ensure she didn't feel unhealthy but fans have now taken to her social media to comment on what they believe to be further, and unnecessary weight loss.

One fan shared: "She keeps getting skinnier. I have always been a fan but yeah, pretty sad."

Another added: "You guys... it’s also what she’s wearing and how she’s posing that makes her look so slim. She looks great and I’m sure she works really hard to look so good."

A fan reminded followers that someone's weight is their own business.

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Chelsea first found fame on Teen Mom

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She is a mom-of-three

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Chelsea has three children: son Watson, two, and daughter Layne, one, with her husband Cole DeBoer, as well as daughter Aubree, 10, with ex-boyfriend Adam Lind.

Most of her Teen Mom drama centres around ex Adam, who has been plagued with legal and drug issues.

He lost custody of daughter Aubree in January 2018 after he tested positive for meth while Chelsea - who married Cole in 2016 - opened up about her anxiety while on the Teen Mom 2 reunion show in December.

She told Dr Drew Pinsky: "Whatever you see on TV and whatever you see when I show up somewhere, there's so much more that has happened to get me even like... here."

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SHe first found fame as a teenager

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Chelsea and Cole with the Aubrey, Layne and WatsonCredit: Instagram

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The pair are planning on having more kids once their new house is finishedCredit: Instagram

"But it's treatable, and it gets better," Pinsky replied.

In 2019 she also revealed she had been using Profile Sanford to help her on her journey to better health.